Question
PSLE
At 18 42, Tammy started driving at 55 km/h from her home to a museum 33 km away. She was at the museum for 1 h 17 min.
  1. What time did she leave the museum?
  2. After leaving the museum, Tammy drove back along the same route and took 36 min to reach home. What was her average speed, in km/h, for the journey home?
4 m
(a)

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(b)

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PSLE
At 18 42, Tammy started driving at 55 km/h from her home to a museum 33 km away. She was at the museum for 1 h 17 min.
  1. What time did she leave the museum?
  2. After leaving the museum, Tammy drove back along the same route and took 36 min to reach home. What was her average speed, in km/h, for the journey home?